Difference between revisions of "2005 AIME I Problems/Problem 1"
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Revision as of 23:06, 8 July 2006
Problem
Six circles form a ring with with each circle externally tangent to two circles adjacent to it. All circles are internally tangent to a circle 
with radius 30. Let 
be the area of the region inside circle and outside of the six circles in the ring. Find 
